Bold hues of red, orange, yellow, blue and purple help plants and animals communicate with their own species and others in their efforts to survive. Vivid orange dart frogs warn predators of their ...

A recent study has illuminated the evolutionary journey of color vision in animals, revealing a surprising timeline: animals developed the ability to see colors around 500 million years ago—well ...

A recent study finds that color vision evolved in animals more than 100 million years before the emergence of colorful fruits and flowers. And there has been a dramatic explosion of color signals in ...

Scientists reconstructed 500 million years of evolutionary history to reveal which came first: colorful signals or the color vision needed to see them. The natural world is awash with color, and many ...

Octopuses can flip from mottled rock to smooth sand in less time than it takes a human to blink, yet their eyes carry only a ...

The title of this article is a bit misleading: no animals can actually see in complete darkness. Animals with so-called “night vision” take a small amount of light and maximize it through evolutionary ...